Fix installation process.

README.md

@@ -36,7 +36,7 @@ Install the requirements into the Python virtual environment of your
 root folder:
 
 ```bash
-$ pip install -e .
+$ pip install -r requirements.txt
 ```
 
 Enabling in Studio
@@ -105,15 +105,27 @@ You can define an arbitrary number of drag items.
 Testing
 -------
 
-Inside a fresh virtualenv, run
+Inside a fresh virtualenv, `cd` into the root folder of this repository
+(`xblock-drag-and-drop-v2`) and run
 
 ```bash
-$ cd .../xblock-drag-and-drop-v2/
 $ sh install_test_deps.sh
 ```
 
-To run the tests, from the xblock-drag-and-drop-v2 repository root:
+You can then run the entire test suite via
 
 ```bash
 $ python run_tests.py
 ```
+
+To only run the unit test suite, do
+
+```bash
+$ python run_tests.py tests/unit/
+```
+
+Similarly, you can run the integration test suite via
+
+```bash
+$ python run_tests.py tests/integration/
+```

requirements.txt

+git+https://github.com/edx/xblock-utils.git@v1.0.0#egg=xblock-utils==v1.0.0
+-e .

setup.py

@@ -31,7 +31,6 @@ setup(
         'xblock-utils',
         'ddt'
     ],
-    dependency_links = ['http://github.com/edx/xblock-utils/tarball/master#egg=xblock-utils'],
     entry_points={
         'xblock.v1': 'drag-and-drop-v2 = drag_and_drop_v2:DragAndDropBlock',
     },